49 C.F.R. § 236.735 Current, leakage.
Title 49 - Transportation
A stray electric current of relatively small value which flows through or across the surface of insulation when a voltage is impressed across the insulation.
Title 49: Transportation
PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
Subpart G—Definitions
§ 236.735 Current, leakage.